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The prime meridian, or 0 degrees longitude, and the International Date Line, 180 degrees longitude, divide the Earth into Eastern and Western hemispheres. Many geographers consider the 20 degree west line of longitude and the 160 degree east line of longitude as the Eastern and Western hemispheres.
a) hunter gatherers who built mounds
The various cultures collectively termed "Mound Builders" were inhabitants of North America who, during a circa 5,000-year period, constructed various styles of earthen mounds for religious, ceremonial, burial, and elite residential purposes.
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Although thousands of protesters simply tried to escape, others fought back, stoning the attacking troops and setting fire to military vehicles. Reporters and Western diplomats there that day estimated that hundreds to thousands of protesters were killed in the Tiananmen Square Massacre, and as many as 10,000 were arrested.
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Hope this helps :D
Explanation:
The Space Race started on August 2, 1955 around the era of the Cold War. The reason the United states and Soviet Union, during the Cold War the United States and the Soviet Union engaged a competition to see who had the best technology in space. the United States spent about $30 billion on the space race from the time the Soviet Union launched its Sputnik satellite in 1957 until the moon landing in 1969. I believe the purpose of the space race was to spark inspiration for Spacecraft that may improve our lives.
